According to Leonard Nimoy in an episode of In Search Of All you need for life is hot rocks and water.
My question is how do you create a sentient robot and have it not be totally insane from your point of view? If you program it how to think then you've failed at the task at hand.
Yea that's one of the "fears". If the being goes rogue and takes a adolf hitler approach to human beings. I suppose you'd have to implement in ability to have a human's concept and perspective of morality.
This.